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Heat Exchanger > Gas Furnace Heat Exchanger

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Gas Furnace Heat Exchanger


Gas furnace Heat Exchanger Gas Furnaces generate heat by burning fuel (gas, oil, or propane), in an open or sealed chamber to heat an exchanger, and with the help of a blower or fan, move air across the exchanger. An integral part of Heater, these gas furnaces distribute warm and even heat throughout the home or place of business by heating air and circulating it through ducts. It's basic components includes, a gas valve, burner assembly, heat exchanger, blower, and a cabinet.

There are a number of unique combustion chamber and heat exchanger designs for gas furnaces. Generally, efficiency of a gas furnace corresponds to the type of burner. These burners can be broadly identified as the ones that use electronic ignition, and draft naturally through the heat exchanger into a hood and smoke pipe and the other one is the ones that use electronic ignition and a ventor motor to meter the exhaust gases through the heat exchanger and into a chimney.


Accessories that are normally installed inside or outside a Gas Furnace can be listed as:
  • A fan center to turn the blower, which is independent of the heat cycle

  • An air filter

  • An electronic air cleaner

  • A high performance media air filter

  • A Humidifier, and

  • An evaporator coil for central air conditioning.
The Process
The working of a gas plant involves burning of fuel for the purpose of generating hot gas that travel through a curved metal tubing, popularly known as a heat exchanger. As the air revolves and passes over the heat exchanger, it absorbs heat from the hot metal surface. This heated air further circulates in order to warm up a place. At the same time, the gasses or combusted air, which gets created by burning of the fuel are released outside by the way of a metal or plastic vent pipe.

If a furnace heat exchanger is cracked or corroded, gases may pass from the combustion chamber. These gases may consist of varying amounts of carbon monoxide, nitrogen oxides, and other contaminants. Hence, in order to reduce this risk of poisoning inside the home or work place, it is extremely important that a gas furnace should be serviced annually by an experienced technician.


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